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Finding the Fourth Proportional to 731.89, 1,097.90 and 244.97

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Solution

The fourth proportional to 731.89, 1,097.90 and 244.97 is: 367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.89 : 1,097.90 = 244.97 : x
  2. Step 2: Convert to fraction form
    731.89/1,097.90 = 244.97/x
  3. Step 3: Cross multiply
    731.89x = 1,097.90 × 244.97
  4. Step 4: Simplify right side
    731.89x = 268,958.44
  5. Step 5: Solve for x
    x = 268,958.44/731.89
  6. Step 6: Final answer
    x = 367.49

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.